Door for a microwave oven



FIG. 1 is a front perspective view of a door for microwave oven according to our new ornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is another perspective view thereof; and,

FIG. 4 is a cross section taken along lines 4-4 of FIG. 2.

The broken lines seen on the surface of the door for a microwave oven indicating the location where the partial cross sectional view is taken from, form no part of the claimed design. 

CLAIM The ornamental design for a door for microwave oven, as shown and described. 